Struct FifoPicker 

pub struct FifoPicker { /* private fields */ }

A picker that pick block to eviction with a FIFO behavior.

Implementations

impl FifoPicker

pub fn new(probation_ratio: f64) -> Self

Create a new FifoPicker with the given probation_ratio (0.0 ~ 1.0).

The probation_ratio is the ratio of blocks that will be marked as probation. The blocks that are marked as probation will be evicted first.

The default value is 0.1.

Trait Implementations

impl Debug for FifoPicker

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for FifoPicker

fn default() -> Self

Returns the “default value” for a type.

impl EvictionPicker for FifoPicker

fn init(&mut self, blocks: &[u32], _: usize)

Init the eviction picker with information.

fn pick(&mut self, info: EvictionInfo<'_>) -> Option<u32>

Pick a block to evict.

fn on_block_evictable(&mut self, _: EvictionInfo<'_>, block: u32)

Notify the picker that a block is ready to pick.

fn on_block_evict(&mut self, _: EvictionInfo<'_>, block: u32)

Notify the picker that a block is evicted.